Cleaner and purifier for boilers



T. SHARP. Cleaners and Purifiers for Boilers.

(Model.)

No. 234,729. Patented Nov. 23,1880.

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THOMAS SHARP, OF SALEM, OHIO.

CLEANER AND PURIFIER FOR BOILERS.

SPECIFICATION forming part of Letters Patent No. 234,729, dated November 23, 1880.

Application filed July 21, 1880. (Model) To all whom it may concern Beit known that 1,,THOMAS'SHARP, of the town of Salem, in the county of Golumbiana in the State of Ohio, have invented a certain new and useful Improvement in Apparatus for Cleansing and Purifying Water in Steam- Boilers, of which the following is a specification.

It is well known that there are various devices that operate to create a current of water from a steam boiler through exterior pipes and variously formed reservoirs and cleansing or filtering apparatus, and back through other exterior pipes to the boiler again. This circulation of the water has sometimes been imperfectly obtained by devices that operated on the principle of the siphon. It has also been obtained by leading the water from the boiler, by means of an out-flow pipe, to an exterior reservoir, and thence, by a pipe exposed to a high degree of heat in the furnace, to the boiler 21 am.

In the first-named method only an imperfect and intermittentcirculation of the water is obtained. 1n the latter, the pipe is exposed to the intense heat of the furnace, and if, through neglect or want of attention, the current be stopped the pipe quickly burns out or bursts and the apparatus is useless until a new pipe is supplied.

My invent-ion avoids this and many other defects by a simple device within the boiler, by which sufficient force is obtained to impel the water through any of the various apparatus for the purification of water outside of the boiler with but inconsiderable loss of heat, and itsecures circulation by means ofa pipe or pipes within the boiler, connected at one end with the conduit-pipe from the purifivingapparatus outside of the boiler, and with the other end open in the boiler. The water in the pipe is converted into steam by the heat of the surrounding water, and the steam escapes at the open end into the boiler, creating by its exit a mo tion within the pipe, which causes the water from the exterior apparatus to flow into the pipe to supply the place of that driven out by the escaping steam, and the purifying apparatus is supplied in its turn from the boiler,

the exit being near the surface, where the water is most foul.

In the drawings, Figure 1 represents a longitudinal section of a steam-boiler having connected thereto my cleansing and filtering apparatus with its pipe attachments with out and within the boiler. Fig. 2 represents a horizontal section of the filter attachment 0.

In Fig. 1. Ais the boiler. B is the out-flow pipe; (J, the filtering apparatus; D, the return-pipe; E, the pipe arrangement within the boiler.

In Fig. 2, a, is the entrance of pipe B to filtering apparatus. 0 is a partition-plate. c and 0 are screens which confine the filtering material. g is the depository for sediment, having a suitable blow-oft cook.

The water flows from the boiler into the exterior receptacle, 0. The receptacle 0 is supported in any convenient manner outside of the boiler. The partition-plate 1) extends from the top of the receptacle G to within a short distance of the bottom of the depository g, and serves to check and quiet the motion of the water discharged from the pipe B, so that sediment held in suspension may be precipitated, The water rises on the other side of the partition-plate b and passes through the screen 0, the filtering material (I, and the screen 0, into the return-pipe D, and thence into the interior pipe, E, to supply the place of that driven out by the escaping steam, as hereinbefore described.

Any kind of fibrous material may be used in reservoir 0.

I claim as my invention-.-

1. In aboiler-cleaning apparatus, the combination of a steam-boiler with pipe E and exterior pipes, B and 1), and reservoir U, constructed and arranged substantially as shown and described.

2. In a boiler-cleaning apparatus, the combination of a steam-boiler with pipe E, exterior pipe, B, reservoir 0, and partition-plate b, constructed and arranged substantially as set forth.

Witnesses: THOMAS SHARP.

lGBER/I HASARD, ANDREW POTTER. 

